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Startups marketing alternative crop fertilizers said they are gaining traction among U.S. farmers and investors, pitching themselves as a potentially cheaper option as prices for traditional fertilizers surge.Companies such as Pivot Bio, Kula Bio and Anuvia are pushing development of farm fertilizers by harnessing microbes or plant-based products to deliver nutrients that corn and other crops need. They aim to replace traditional fertilizers produced from natural gas or mined underground, prices of which have hit records…

The tech industry has long tried to align with the green movement, though its leaders are often accused of spouting nebulous slogans and making hard-to-test pledges.The Mobile World Congress, an industry get-together in Barcelona, certainly saw some sloganeering. But Huawei, Orange and industry body GSMA attempted to flesh out some of the green claims made about 5G.The next-generation mobile network is being rolled out across the globe, with promises of super-fast internet going hand-in-hand with claims of massive…